Asked by Mara
A certain automobile engine delivers 2.24 ✕ 10^4 W (30.0 hp) to its wheels when moving at a constant speed of 31.0 m/s ( 69 mi/h). What is the resistive force acting on the automobile at that speed?
Answers
Answered by
Sherry
Pa = fa(v)
so fa = Pa/v
which equals (2.24 x 10^4)/(31.0)= 722.5
=723N
so fa = Pa/v
which equals (2.24 x 10^4)/(31.0)= 722.5
=723N
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